Composition for removing boiler incrustations.



NTED STATES PATET GEORG KOBES, OF NEUSTADT, GERMANY.

SPECIFICATION forming part Of LEttGIS Patent NO. 669,930, dated March 12, 1901- Application filed April 5, 1900- Serial No- (N p i en -l To aZZ whom it may concern:

Be it known that I, GEORG KOBES, a citizen of the German Empire, residing in Neustadton-the-Orla, in the Grand Duchy of Saxony- Weimar, in the Empire of Germany, have invent-ed a new and useful Compound for Solving and Preventing Incrustation of Every Kind in Boilers, of which the following is a specification.

This invention is'in the nature of a compound for removing incrustration, rust, sediment, and other accumulations from the interior part of boilers and the like without inproper consistency and forms an emulsion which has the tendency to readily remove any of the stated accumulations.

The compound may be introduced into the boiler in any suitable manneras, for instance, it may be added to the feed-wateror when there is no steam present it may be inserted through the safety-valve or other available parts. The effects of the extract are noticeable in about fourteen days or less, when it will be necessary to lift the forcingvalve once to discharge the accumulated sediment.

The proportions of the compound used are about as follows: For twenty square meters of heating-surface it requires about five liters of extract; for fift-ysquare meters, ten liters; for one hundred square meters, fifteen liters; for one hundred and fifty square meters, twenty liters every week.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent of the United States, is-- A composition of matter for removing incrustation, rust and other accumulated matter from the interior parts of boilers consist ing of the following-named substances,mixed in substantially the proportions described and cooked until of the desired consistency, namely: caustic soda, salt crystallized and pulverized, gall-nuts, catechu, sal-ammoniac, petroleum, potato-flour extract, graphite, Indian roots, Swedish tar, and pumice, substantially as set forth.

In testimony whereof I afiix my signature in presence of two witnesses.

GEORG KOBES.

Witnesses:

FRANZ STEPHAN, A. BRAUTIGAM. 

